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real-time profiling tools for Objective Caml (clients)

Ocamlviz gives the ability to instrument an existing code, in real
time, with lightweight monitoring annotations. Ocamlviz can also be
used as a debugging tool.

Here are a few possibilities provided by Ocamlviz:

* observe details about the garbage collector
* observe how many times the program goes through a point
* make a set of values (any) and count its cardinal number and its
size in the heap
* observe how much time passed between two points of the program
* observe the value of integers, floating-point numbers, booleans
and strings
* observe details about hash tables, like the number of empty
buckets, or the filling rate
* etc

This package provides two sorts of client output:

* an ASCII client, the monitoring is displayed in a file
* a Graphical User Interface, using Lablgtk2, that allows, for
instance, displaying data in a graph